LRE thesaurus European Schoolnet europe,multimedia educational materials and Content of teaching, guidance, evaluation and administration 2010-09-25 2012-04-30 19:06:32 hu életszínvonal livskvalitet Lebensqualität ποιότητα ζωής quality of life calidad de la vida elämänlaatu qualité de la vie qualità della vita איכות חיים kwaliteit van het leven livskvalitet 2010-09-25 07:36:39